Systems and Methods for Determining Slotted Mode Operation Timing in a Hybrid Access Terminal

1. A method for determining slotted mode operation timing in a hybrid access terminal, comprising: determining a first access interval for a first acquired network by a controller installed on one or more computing devices; determining, with the controller, a second access interval for a second acquired network; determining, with the controller, whether the first and second access intervals overlap; and re-determining the second access interval in response to a determination that the first and second access intervals overlap.

2. The method of claim 1 , further comprising: determining, with the controller, a third access interval for a third acquired network; determining, with the controller, if the third access interval overlaps with the first and second access intervals; and re-determining the third access interval when it is determined that the third access interval overlaps with the first and second access intervals.

3. The method of claim 1 , wherein the first network is a 1×RTT network and the second network is a 1×HRPD network.

4. The method of claim 3 , wherein said determining the first access interval comprises receiving a slot cycle index from the first network and determining the first access interval using the slot cycle index, and said determining the second access interval comprises determining a random number and determining the second access interval using the random number.

6. The method of claim 1 , wherein determining whether the first and second access intervals overlap further comprises: determining a first access period for the first network; determining a second access period for the second network; determining whether the first access interval is greater than the second access interval; and in response to a determination that the first access interval is greater than the second access interval, determining whether the first access interval is greater than the second access interval plus the second access period.

7. The method of claim 6 , further comprising re-determining the second access interval in response to a determination that the first access interval is not greater than the second access interval plus the second access period.

8. The method of claim 6 , further comprising determining whether the first access interval is equal to the second access interval in response to a determination that the first access interval is not greater than the second access interval.

9. The method of claim 6 , further comprising re-determining the second access interval in response to a determination that the first access interval is equal to the second access interval.

10. The method of claim of claim 8 , further comprising determining whether the first access interval is less than the second access in response to a determination that the first access interval is not equal to the second access interval.

11. The method of claim 10 , further comprising re-determining the second access interval in response to a determination that the first access interval is not less than the second access interval.

12. A wireless access terminal configured to monitor signals from at least two different access networks configured to use different communication technologies, the wireless access terminal comprising: a first modem configured to monitor signals from a first access network; a second modem configured to monitor signals from a second access network; a controller configured to: determine a first access interval for the first network acquired by the first modem; determine a second access interval for the second network acquired by the second modem; determine whether the first and second access intervals overlap; and re-determine the second access interval in response to a determination that the first and second access intervals overlap.

13. The wireless access terminal of claim 12 , further comprising a third modem, and wherein the controller is further configured to: determine a third access interval for a third network acquired by the third modem; determine whether the third access interval overlaps with the first and second access intervals; and re-determine the third access interval in response a determination that the third access interval overlaps with the first and second access intervals.

14. The wireless access terminal of claim 12 , wherein the first modem is a 1×RTT modem and the second modem is a 1×HRPD modem.

15. The wireless access terminal of claim 14 , wherein the controller is further configured to receive a slot cycle index from the first network, to determine the first access interval using the slot cycle index, to determine a random number, and determine the second access interval using the random number.

16. The wireless access terminal of claim 15 , wherein the controller is further configured to: determine a first access period for the first network; determine a second access period for the second network; determine whether the first access interval is greater than the second access interval; and in response to a determination that the first access interval is greater than the second access interval, then determine whether the first access interval is greater than the second access interval plus the second access period.

17. The wireless access terminal of claim 16 , wherein the controller is further configured to re-determine the second access interval in response to a determination that the first access interval is not greater than the second access interval plus the second access period, and wherein re-determining the second access period comprises determining a new random number and using the new random number to re-determine the second access interval.

18. The wireless access terminal of claim 16 , wherein the controller is further configured to determine whether the first access interval is equal to the second access interval in response to a determination that the first access interval is not greater than the second access interval.

19. The wireless access terminal of claim 18 , wherein the is further configured to re-determine the second access interval in response to a determination that the first access interval is equal to the second access interval.

20. The wireless access terminal of claim of claim 18 , wherein the controller is further configured to determine whether the first access interval is less than the second access interval in response to a determination that the first access interval is not equal to the second access interval, and re-determine the second access interval in response to a determination that the first access interval is not less than the second access interval.